/*
 * Copyright 2003-2006 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.nanhill.commons.id;

/**
 * <code>LongIdentifier</code> defines a simple interface for
 * Long based identifier generation.
 *
 * @author Commons-Id team
 * @version $Id: LongIdentifierGenerator.java,v 1.1 2006/09/20 06:55:58 alin Exp $
 */
public interface LongIdentifierGenerator extends IdentifierGenerator {

    /**
     * Gets the next identifier in the sequence.
     *
     * @return the next Long identifier in sequence
     */
    long nextLongIdentifier();

    /**
     * Returns the maximum value of an identifier from this generator.
     *
     * @return the maximum identifier value
     */
    long maxValue();

    /**
     * Returns the minimum value of an identifier from this generator.
     *
     * @return the minimum identifier value
     */
    long minValue();

}
